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releasetools: Move verity related functions into verity_utils.py.

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This prepares for upcoming changes that refactor verity-related
functions into classes.

This CL makes minimal changes to the moved functions, by creating a new
BuildVerityImageError class in verity_utils.py replacing the former
BuildImageError that's specific to build_image.py. As part of the
change, it also moves the tests for AVBCalcMinPartitionSize into
test_verity_utils.py.

Test: python -m unittest test_verity_utils
Test: `m dist` with aosp_marlin-userdebug (Verified Boot 1.0)
Test: `m dist` with aosp_taimen-userdebug (Verified Boot 2.0)
Change-Id: I19b52714d8980705ea1f9484ac03eb0af9483240
This commit is contained in:
Tao Bao
2018-10-11 14:08:45 -07:00
parent e95680a60f
commit 71197515bb
5 changed files with 423 additions and 409 deletions
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3
tools/releasetools/common.py
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@@ -73,6 +73,9 @@ class Options(object):
OPTIONS = Options()
# The block size that's used across the releasetools scripts.
BLOCK_SIZE = 4096
# Values for "certificate" in apkcerts that mean special things.
SPECIAL_CERT_STRINGS = ("PRESIGNED", "EXTERNAL")